Mauna Loa is the world's largest shield volcano, a gently sloping mountain produced from a large number of generally very fluid lava flows.

Is Mauna Loa an active volcano?

Yes, Mauna Loa is among Earth's most active volcanoes. It has erupted 33 times since 1843. Its most recent eruption occurred from March 24, 1984, to April 15, 1984.

Mauna Loa has probably been erupting for at least 100,000 years.

What does Mauna Loa mean?

The Hawaiian name "Mauna Loa" means "Long Mountain." This name is apt, for the subaerial part of Mauna Loa extends for about 120 km from the southern tip of the island to the summit caldera and then east-northeast to the coastline near Hilo.

Did you know?

Hawaii was formed by 5 volcanoes. Mauna Loa, and Kilauea are the only active volcanoes.